670449998952 has 24 divisors (see below), whose sum is σ = 1815802080690. Its totient is φ = 223483332960.

The previous prime is 670449998947. The next prime is 670449998971. The reversal of 670449998952 is 259899944076.

670449998952 is a `hidden beast` number, since 6 + 7 + 0 + 4 + 499 + 9 + 89 + 52 = 666.

670449998952 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 518495044356 + 151954954596 = 720066^2 + 389814^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 9311805541 = 670449998952 / (6 + 7 + 0 + 4 + 4 + 9 + 9 + 9 + 8 + 9 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4655902699 + ... + 4655902842.

Almost surely, 2^670449998952 is an apocalyptic number.

It is an amenable number.

670449998952 is an abundant number, since it is smaller than the sum of its proper divisors (1145352081738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670449998952 is a wasteful number, since it uses less digits than its factorization.

670449998952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311805553 (or 9311805546 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 72.

The spelling of 670449998952 in words is "six hundred seventy billion, four hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred fifty-two".